GB919714A - Hydraulic control system for a fluid actuated motor - Google Patents

Hydraulic control system for a fluid actuated motor

Info

Publication number
GB919714A
GB919714A GB1772260A GB1772260A GB919714A GB 919714 A GB919714 A GB 919714A GB 1772260 A GB1772260 A GB 1772260A GB 1772260 A GB1772260 A GB 1772260A GB 919714 A GB919714 A GB 919714A
Authority
GB
United Kingdom
Prior art keywords
passage
fluid
spool
transfer
circuit control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1772260A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cessna Aircraft Co
Original Assignee
Cessna Aircraft Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cessna Aircraft Co filed Critical Cessna Aircraft Co
Publication of GB919714A publication Critical patent/GB919714A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/226—Safety arrangements, e.g. hydraulic driven fans, preventing cavitation, leakage, overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/047—Preventing foaming, churning or cavitation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K25/00—Details relating to contact between valve members and seats
    • F16K25/04—Arrangements for preventing erosion, not otherwise provided for
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87829—Biased valve
    • Y10T137/87837—Spring bias
    • Y10T137/87845—For valve having a ball head

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
GB1772260A 1959-06-25 1960-05-19 Hydraulic control system for a fluid actuated motor Expired GB919714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82285859 US2980136A (en) 1959-06-25 1959-06-25 Hydraulic flow control system and valve with anti-cavitation feature

Publications (1)

Publication Number Publication Date
GB919714A true GB919714A (en) 1963-02-27

Family

ID=25237157

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1772260A Expired GB919714A (en) 1959-06-25 1960-05-19 Hydraulic control system for a fluid actuated motor

Country Status (3)

Country Link
US (1) US2980136A (de)
DE (1) DE1188886B (de)
GB (1) GB919714A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1600731A1 (de) * 1966-09-06 1972-01-27 Commercial Shearing Fluidumssteuerventil
EP0344420A1 (de) * 1988-04-07 1989-12-06 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Hydraulischer Kreislauf für Schaufelbagger
CN112879391A (zh) * 2021-02-20 2021-06-01 潍柴动力股份有限公司 一种补油装置及闭式系统

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3049101A (en) * 1961-04-03 1962-08-14 New York Air Brake Co Hydraulic mechanism
US3129720A (en) * 1961-04-07 1964-04-21 Fawick Corp Flow control valve
BE631657A (de) * 1962-04-30 1900-01-01
FR1342338A (fr) * 1962-09-29 1963-11-08 Sigma Perfectionnements apportés aux dispositifs hydrauliques destinés au déplacement alternatif d'éléments à inertie élevée
DE1262088B (de) * 1963-08-13 1968-02-29 Borg Warner Steuereinrichtung mit einem Steuerventil und einem selbsttaetigen Ventil
US3228306A (en) * 1964-02-10 1966-01-11 Case Co J I Control valve
GB1050181A (de) * 1964-03-23 1900-01-01
DE1240354B (de) * 1964-06-15 1967-05-11 Hydraulic Unit Specialities Co Steuerschieber fuer zweiseitig wirkende hydraulische Kolbenmotoren
US3302530A (en) * 1965-02-01 1967-02-07 Berg Mfg & Sales Co Pressurized brake cylinder using inlet pressure as a boost
US3465788A (en) * 1967-09-01 1969-09-09 Koehring Co Hydraulic control valve with void prevention means
US3780623A (en) * 1970-07-15 1973-12-25 H Hohlein Valve unit for controlling double acting fluid operating cylinders
US3774635A (en) * 1972-04-18 1973-11-27 Sperry Rand Corp Power transmission
US4843949A (en) * 1988-08-29 1989-07-04 Pneumo Abex Corporation Fluid control valve with variable pressure gain
JPH0716943Y2 (ja) * 1989-01-27 1995-04-19 東芝機械株式会社 方向制御弁
US5590525A (en) * 1993-06-01 1997-01-07 Sundstrand Corporation Method of preventing cavitation in an axial piston pump during an aiding load and system and valve employing the same
EP0907831A1 (de) * 1996-07-05 1999-04-14 Parker Hannifin GmbH Steuereinrichtung für einen einseitig arbeitenden arbeitszylinder
KR101527218B1 (ko) * 2008-12-18 2015-06-10 두산인프라코어 주식회사 건설기계의 냉각장치
JP6284469B2 (ja) * 2014-12-03 2018-02-28 株式会社クボタ 油圧回路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2267284A (en) * 1941-03-10 1941-12-23 Livers Carlos Benjamin By-pass valve
US2367682A (en) * 1943-04-09 1945-01-23 Adel Prec Products Corp Landing gear by-pass valve
US2605108A (en) * 1946-07-12 1952-07-29 William T Stephens Relief valve
US2448532A (en) * 1946-09-09 1948-09-07 Hydraulic Control Engineering Automatic power position hold for control valves
US2608824A (en) * 1947-08-27 1952-09-02 New York Air Brake Co Control valve
US2646025A (en) * 1951-02-07 1953-07-21 Bendix Aviat Corp By-pass valve for hydraulic motors
US2745433A (en) * 1952-02-25 1956-05-15 Hydraulic Unit Specialities Co Control valve for fluid pressure operated mechanisms
US2873762A (en) * 1955-06-27 1959-02-17 Hydraulic Unit Specialities Co Control valve for fluid pressure operated mechanisms
US2856900A (en) * 1955-11-26 1958-10-21 Buehler Ag Geb Hydraulic control means for roller mills and the like

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1600731A1 (de) * 1966-09-06 1972-01-27 Commercial Shearing Fluidumssteuerventil
EP0344420A1 (de) * 1988-04-07 1989-12-06 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Hydraulischer Kreislauf für Schaufelbagger
US5005466A (en) * 1988-04-07 1991-04-09 Kabushiki Kaisha Kobe Seiko Sho Cavitation-preventing pilot valve control system for power shovel hydraulic circuit
CN112879391A (zh) * 2021-02-20 2021-06-01 潍柴动力股份有限公司 一种补油装置及闭式系统

Also Published As

Publication number Publication date
DE1188886B (de) 1965-03-11
US2980136A (en) 1961-04-18

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